Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 199,894
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     202,133
Calibration 2     200,158
Calibration 3     199,199
ssj_ops@calibrated=199,679
100% 100.1% 199,679 199,894
90% 89.6% 179,711 178,854
80% 79.9% 159,743 159,595
70% 69.9% 139,775 139,479
60% 59.8% 119,807 119,484
50% 50.4% 99,839 100,673
40% 39.6% 79,872 79,127
30% 30.2% 59,904 60,257
20% 20.2% 39,936 40,257
10% 10.1% 19,968 20,196
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,704,209 1,494
Payment 14,704,212
Order Status 1,470,421
Delivery 1,470,421
Stock Level 1,470,421
Customer Report 14,704,213
Calibration 2 New Order 14,557,915 1,494
Payment 14,557,919
Order Status 1,455,792
Delivery 1,455,794
Stock Level 1,455,792
Customer Report 14,557,923
Calibration 3 New Order 14,487,567 1,494
Payment 14,487,566
Order Status 1,448,758
Delivery 1,448,756
Stock Level 1,448,756
Customer Report 14,487,568
100% 100.1% New Order 14,538,179 1,494
Payment 14,538,183
Order Status 1,453,818
Delivery 1,453,817
Stock Level 1,453,817
Customer Report 14,538,172
90% 89.6% New Order 13,008,720 1,494
Payment 13,008,724
Order Status 1,300,871
Delivery 1,300,871
Stock Level 1,300,873
Customer Report 13,008,721
80% 79.9% New Order 11,608,054 1,494
Payment 11,608,059
Order Status 1,160,805
Delivery 1,160,806
Stock Level 1,160,806
Customer Report 11,608,060
70% 69.9% New Order 10,143,927 1,494
Payment 10,143,926
Order Status 1,014,393
Delivery 1,014,392
Stock Level 1,014,392
Customer Report 10,143,933
60% 59.8% New Order 8,690,118 1,494
Payment 8,690,122
Order Status 869,010
Delivery 869,012
Stock Level 869,012
Customer Report 8,690,120
50% 50.4% New Order 7,321,869 1,494
Payment 7,321,868
Order Status 732,187
Delivery 732,187
Stock Level 732,188
Customer Report 7,321,870
40% 39.6% New Order 5,754,799 1,494
Payment 5,754,807
Order Status 575,480
Delivery 575,482
Stock Level 575,480
Customer Report 5,754,804
30% 30.2% New Order 4,382,687 1,494
Payment 4,382,686
Order Status 438,268
Delivery 438,268
Stock Level 438,268
Customer Report 4,382,689
20% 20.2% New Order 2,927,794 1,494
Payment 2,927,796
Order Status 292,780
Delivery 292,780
Stock Level 292,778
Customer Report 2,927,795
10% 10.1% New Order 1,468,845 1,494
Payment 1,468,848
Order Status 146,884
Delivery 146,884
Stock Level 146,884
Customer Report 1,468,851
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0