Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 205,647
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     207,130
Calibration 2     205,839
Calibration 3     205,802
ssj_ops@calibrated=205,820
100% 99.9% 205,820 205,647
90% 90.4% 185,238 186,026
80% 80.4% 164,656 165,408
70% 70.2% 144,074 144,411
60% 60.7% 123,492 124,978
50% 50.3% 102,910 103,535
40% 39.7% 82,328 81,717
30% 30.2% 61,746 62,089
20% 19.8% 41,164 40,828
10% 9.9% 20,582 20,426
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 15,067,482 1,494
Payment 15,067,483
Order Status 1,506,749
Delivery 1,506,749
Stock Level 1,506,749
Customer Report 15,067,484
Calibration 2 New Order 14,971,101 1,494
Payment 14,971,106
Order Status 1,497,109
Delivery 1,497,111
Stock Level 1,497,110
Customer Report 14,971,107
Calibration 3 New Order 14,968,909 1,494
Payment 14,968,909
Order Status 1,496,891
Delivery 1,496,891
Stock Level 1,496,891
Customer Report 14,968,914
100% 99.9% New Order 14,956,151 1,494
Payment 14,956,154
Order Status 1,495,617
Delivery 1,495,615
Stock Level 1,495,616
Customer Report 14,956,155
90% 90.4% New Order 13,530,112 1,494
Payment 13,530,113
Order Status 1,353,011
Delivery 1,353,011
Stock Level 1,353,012
Customer Report 13,530,116
80% 80.4% New Order 12,029,698 1,494
Payment 12,029,697
Order Status 1,202,970
Delivery 1,202,969
Stock Level 1,202,970
Customer Report 12,029,698
70% 70.2% New Order 10,502,727 1,494
Payment 10,502,730
Order Status 1,050,272
Delivery 1,050,272
Stock Level 1,050,272
Customer Report 10,502,727
60% 60.7% New Order 9,089,388 1,494
Payment 9,089,387
Order Status 908,939
Delivery 908,938
Stock Level 908,937
Customer Report 9,089,388
50% 50.3% New Order 7,530,113 1,494
Payment 7,530,113
Order Status 753,012
Delivery 753,011
Stock Level 753,010
Customer Report 7,530,110
40% 39.7% New Order 5,943,560 1,494
Payment 5,943,562
Order Status 594,355
Delivery 594,356
Stock Level 594,355
Customer Report 5,943,558
30% 30.2% New Order 4,515,747 1,494
Payment 4,515,744
Order Status 451,575
Delivery 451,574
Stock Level 451,574
Customer Report 4,515,740
20% 19.8% New Order 2,969,362 1,494
Payment 2,969,360
Order Status 296,936
Delivery 296,937
Stock Level 296,936
Customer Report 2,969,360
10% 9.9% New Order 1,485,586 1,494
Payment 1,485,586
Order Status 148,559
Delivery 148,558
Stock Level 148,557
Customer Report 1,485,579
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0