Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 199,173
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 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     207,003
Calibration 2     199,448
Calibration 3     198,818
ssj_ops@calibrated=199,133
100% 100.0% 199,133 199,173
90% 90.1% 179,220 179,408
80% 79.3% 159,307 157,965
70% 69.1% 139,393 137,665
60% 59.6% 119,480 118,716
50% 49.8% 99,567 99,154
40% 39.4% 79,653 78,532
30% 30.0% 59,740 59,659
20% 20.1% 39,827 40,041
10% 10.2% 19,913 20,347
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
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,056,445 1,494
Payment 15,056,448
Order Status 1,505,645
Delivery 1,505,645
Stock Level 1,505,646
Customer Report 15,056,446
Calibration 2 New Order 14,505,978 1,494
Payment 14,505,979
Order Status 1,450,598
Delivery 1,450,597
Stock Level 1,450,598
Customer Report 14,505,979
Calibration 3 New Order 14,460,925 1,494
Payment 14,460,923
Order Status 1,446,093
Delivery 1,446,092
Stock Level 1,446,091
Customer Report 14,460,923
100% 100.0% New Order 14,485,838 1,494
Payment 14,485,840
Order Status 1,448,584
Delivery 1,448,584
Stock Level 1,448,584
Customer Report 14,485,838
90% 90.1% New Order 13,049,855 1,494
Payment 13,049,855
Order Status 1,304,985
Delivery 1,304,985
Stock Level 1,304,986
Customer Report 13,049,850
80% 79.3% New Order 11,488,538 1,494
Payment 11,488,541
Order Status 1,148,854
Delivery 1,148,854
Stock Level 1,148,853
Customer Report 11,488,539
70% 69.1% New Order 10,012,280 1,494
Payment 10,012,281
Order Status 1,001,229
Delivery 1,001,230
Stock Level 1,001,228
Customer Report 10,012,279
60% 59.6% New Order 8,634,031 1,494
Payment 8,634,029
Order Status 863,404
Delivery 863,402
Stock Level 863,403
Customer Report 8,634,029
50% 49.8% New Order 7,211,586 1,494
Payment 7,211,579
Order Status 721,158
Delivery 721,158
Stock Level 721,158
Customer Report 7,211,585
40% 39.4% New Order 5,711,464 1,494
Payment 5,711,465
Order Status 571,146
Delivery 571,146
Stock Level 571,146
Customer Report 5,711,463
30% 30.0% New Order 4,339,090 1,494
Payment 4,339,093
Order Status 433,909
Delivery 433,909
Stock Level 433,909
Customer Report 4,339,092
20% 20.1% New Order 2,912,125 1,494
Payment 2,912,119
Order Status 291,212
Delivery 291,211
Stock Level 291,212
Customer Report 2,912,121
10% 10.2% New Order 1,479,770 1,494
Payment 1,479,769
Order Status 147,976
Delivery 147,977
Stock Level 147,976
Customer Report 1,479,764
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0