Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 198,914
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     207,693
Calibration 2     200,149
Calibration 3     199,340
ssj_ops@calibrated=199,745
100% 99.6% 199,745 198,914
90% 89.7% 179,770 179,161
80% 79.9% 159,796 159,507
70% 69.6% 139,821 139,018
60% 59.7% 119,847 119,149
50% 50.0% 99,872 99,965
40% 40.3% 79,898 80,509
30% 30.0% 59,923 60,004
20% 19.8% 39,949 39,602
10% 10.1% 19,974 20,121
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 15,108,526 1,494
Payment 15,108,528
Order Status 1,510,852
Delivery 1,510,852
Stock Level 1,510,852
Customer Report 15,108,529
Calibration 2 New Order 14,556,368 1,494
Payment 14,556,367
Order Status 1,455,636
Delivery 1,455,636
Stock Level 1,455,636
Customer Report 14,556,366
Calibration 3 New Order 14,499,422 1,494
Payment 14,499,422
Order Status 1,449,943
Delivery 1,449,941
Stock Level 1,449,945
Customer Report 14,499,426
100% 99.6% New Order 14,466,764 1,494
Payment 14,466,770
Order Status 1,446,676
Delivery 1,446,676
Stock Level 1,446,676
Customer Report 14,466,759
90% 89.7% New Order 13,030,390 1,494
Payment 13,030,392
Order Status 1,303,041
Delivery 1,303,040
Stock Level 1,303,039
Customer Report 13,030,392
80% 79.9% New Order 11,600,861 1,494
Payment 11,600,863
Order Status 1,160,086
Delivery 1,160,086
Stock Level 1,160,086
Customer Report 11,600,861
70% 69.6% New Order 10,110,418 1,494
Payment 10,110,418
Order Status 1,011,042
Delivery 1,011,040
Stock Level 1,011,041
Customer Report 10,110,419
60% 59.7% New Order 8,665,449 1,494
Payment 8,665,451
Order Status 866,545
Delivery 866,546
Stock Level 866,544
Customer Report 8,665,449
50% 50.0% New Order 7,270,368 1,494
Payment 7,270,370
Order Status 727,037
Delivery 727,036
Stock Level 727,038
Customer Report 7,270,365
40% 40.3% New Order 5,855,483 1,494
Payment 5,855,482
Order Status 585,549
Delivery 585,548
Stock Level 585,548
Customer Report 5,855,479
30% 30.0% New Order 4,363,993 1,494
Payment 4,363,989
Order Status 436,400
Delivery 436,399
Stock Level 436,399
Customer Report 4,363,992
20% 19.8% New Order 2,880,302 1,494
Payment 2,880,307
Order Status 288,031
Delivery 288,031
Stock Level 288,029
Customer Report 2,880,300
10% 10.1% New Order 1,463,317 1,494
Payment 1,463,319
Order Status 146,332
Delivery 146,331
Stock Level 146,332
Customer Report 1,463,320
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0