Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 192,080
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     202,860
Calibration 2     193,507
Calibration 3     192,339
ssj_ops@calibrated=192,923
100% 99.6% 192,923 192,080
90% 90.8% 173,630 175,191
80% 80.4% 154,338 155,157
70% 70.6% 135,046 136,278
60% 59.9% 115,754 115,466
50% 50.1% 96,461 96,592
40% 40.0% 77,169 77,110
30% 29.6% 57,877 57,045
20% 19.9% 38,585 38,452
10% 10.1% 19,292 19,574
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 14,755,800 1,494
Payment 14,755,800
Order Status 1,475,580
Delivery 1,475,581
Stock Level 1,475,580
Customer Report 14,755,800
Calibration 2 New Order 14,074,427 1,494
Payment 14,074,426
Order Status 1,407,442
Delivery 1,407,442
Stock Level 1,407,442
Customer Report 14,074,423
Calibration 3 New Order 13,988,389 1,494
Payment 13,988,392
Order Status 1,398,838
Delivery 1,398,839
Stock Level 1,398,839
Customer Report 13,988,388
100% 99.6% New Order 13,970,003 1,494
Payment 13,969,997
Order Status 1,397,000
Delivery 1,397,000
Stock Level 1,396,999
Customer Report 13,970,002
90% 90.8% New Order 12,742,685 1,494
Payment 12,742,683
Order Status 1,274,269
Delivery 1,274,267
Stock Level 1,274,269
Customer Report 12,742,683
80% 80.4% New Order 11,284,828 1,494
Payment 11,284,831
Order Status 1,128,481
Delivery 1,128,484
Stock Level 1,128,482
Customer Report 11,284,822
70% 70.6% New Order 9,911,807 1,494
Payment 9,911,810
Order Status 991,181
Delivery 991,182
Stock Level 991,181
Customer Report 9,911,810
60% 59.9% New Order 8,397,934 1,494
Payment 8,397,934
Order Status 839,794
Delivery 839,793
Stock Level 839,794
Customer Report 8,397,936
50% 50.1% New Order 7,025,543 1,494
Payment 7,025,544
Order Status 702,557
Delivery 702,555
Stock Level 702,555
Customer Report 7,025,542
40% 40.0% New Order 5,608,069 1,494
Payment 5,608,068
Order Status 560,806
Delivery 560,806
Stock Level 560,807
Customer Report 5,608,067
30% 29.6% New Order 4,148,761 1,494
Payment 4,148,765
Order Status 414,877
Delivery 414,878
Stock Level 414,875
Customer Report 4,148,761
20% 19.9% New Order 2,796,666 1,494
Payment 2,796,664
Order Status 279,667
Delivery 279,668
Stock Level 279,667
Customer Report 2,796,668
10% 10.1% New Order 1,423,636 1,494
Payment 1,423,640
Order Status 142,363
Delivery 142,363
Stock Level 142,364
Customer Report 1,423,634
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0